SEARCH Articles Figures Tables 2- chloro-5-nitrotoluene-4-sulfonic acid 2-chloro-5-aminotoluene-4-sulfonic acid 4-Chloro-diphenyl sulfone 7-Chloro-8-hydroxyquinoline-5-sulfonic 7-Chloro-8-hydroxyquinoline-5-sulfonic acid Chloro methyl phenyl sulfone Chloro sulfonated polyethylene Chloro sulfonic acid ethyl ester Chloro-sulfone, Ramberg-Backlund reaction Chloro-sulfonic acid Sulfones chloro